Octave Specialty Group Inc
OSG- Exchange
- NYSE
- Industry
- Surety Insurance
- SEC CIK
- 0000874501
No open-market purchases or sales by Octave Specialty Group Inc insiders were filed in the last 90 days; 147 institutions reported holding it in 13F filings for Q2 2026, worth $187.6M in total; no superinvestor holds it.
13F holders, Q4 2023
Institutional positions in Octave Specialty Group Inc as of Dec 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 174
- +7 vs. Q3 2023
- Shares held
- 38.1M
- +1.87M (+5.2%) vs. Q3 2023
- Total value
- $628.4M
- +$189.7M (+43.2%) vs. Q3 2023
- New holders
- 28
- 56 more added
- Sold out
- 21
- 60 more reduced
Compare with Q3 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting OSG on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 147 | $187.6M |
| Q1 2026 | 148 | $151.4M |
| Q4 2025 | 144 | $270.0M |
| Q3 2025 | 130 | $303.6M |
| Q2 2025 | 147 | $262.5M |
| Q1 2025 | 176 | $327.5M |
| Q4 2024 | 181 | $522.4M |
| Q3 2024 | 180 | $449.6M |
| Q2 2024 | 182 | $495.9M |
| Q1 2024 | 172 | $591.5M |
| Q4 2023 | 174 | $628.4M |
| Q3 2023 | 167 | $438.7M |
| Q2 2023 | 160 | $529.6M |
| Q1 2023 | 160 | $596.2M |
| Q4 2022 | 167 | $600.4M |
| Q3 2022 | 154 | $400.7M |
| Q2 2022 | 141 | $386.6M |
| Q1 2022 | 150 | $392.1M |
| Q4 2021 | 135 | $598.9M |
| Q3 2021 | 133 | $516.2M |
| Q2 2021 | 126 | $565.0M |
| Q1 2021 | 140 | $611.7M |
Institutions, Q4 2023
Shares, value and share of portfolio for each institution holding Octave Specialty Group Inc; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 7,285,404 | $120.1M | 0.00% | +454,843+6.7% | Added |
| Vanguard Group Inc | 4,835,365 | $79.7M | 0.00% | +11,586+0.2% | Added |
| Dimensional Fund Advisors LP | 2,603,679 | $42.9M | 0.01% | +65,733+2.6% | Added |
| FMR LLC | 2,075,509 | $34.2M | 0.00% | +55,341+2.7% | Added |
| State Street Corp | 1,626,127 | $26.8M | 0.00% | +16,554+1.0% | Added |
| Invesco Ltd. | 1,032,814 | $17.0M | 0.00% | +147,358+16.6% | Added |
| Geode Capital Management, LLC | 946,179 | $15.6M | 0.00% | +44,924+5.0% | Added |
| Boussard & Gavaudan Investment Management LLP | 853,531 | $13.9M | 2.71% | −520,120−37.9% | Reduced |
| Bracebridge Capital, LLC | 799,234 | $13.2M | 10.52% | 00.0% | Unchanged |
| Nuveen Asset Management, LLC | 756,478 | $12.5M | 0.00% | +188,836+33.3% | Added |
| Deutsche Bank AG | 740,430 | $12.2M | 0.01% | +708,761+2,238.0% | Added |
| Prudential Financial Inc | 730,120 | $12.0M | 0.02% | +494,058+209.3% | Added |
| Goldman Sachs Group Inc | 649,686 | $10.7M | 0.00% | −21,541−3.2% | Reduced |
| Charles Schwab Investment Management Inc | 649,577 | $10.7M | 0.00% | +9,493+1.5% | Added |
| Repertoire Partners LP | 565,233 | $9.32M | 23.09% | −956,537−62.9% | Reduced |
| Morgan Stanley | 551,190 | $9.08M | 0.00% | −27,655−4.8% | Reduced |
| American Century Companies Inc | 519,702 | $8.56M | 0.01% | +92,024+21.5% | Added |
| Northern Trust Corp | 504,697 | $8.32M | 0.00% | +2,968+0.6% | Added |
| D. E. Shaw & Co., Inc. | 491,719 | $8.10M | 0.01% | +96,742+24.5% | Added |
| Walleye Trading LLC | 471,975 | $7.78M | 0.12% | +471,975 | New |
| Bank of New York Mellon Corp | 470,976 | $7.76M | 0.00% | +1,302+0.3% | Added |
| Jupiter Asset Management Ltd | 426,663 | $7.03M | 0.07% | +17,944+4.4% | Added |
| Citadel Advisors LLC | 404,310 | $6.66M | 0.01% | +255,812+172.3% | Added |
| Bridgeway Capital Management, LLC | 390,922 | $6.44M | 0.14% | +12,672+3.4% | Added |
| Hotchkis & Wiley Capital Management LLC | 386,530 | $6.37M | 0.02% | −28,510−6.9% | Reduced |
| AQR Capital Management LLC | 367,839 | $6.06M | 0.01% | −133,285−26.6% | Reduced |
| Simplex Trading, LLC | 333,361 | $5.49M | 0.17% | +319,769+2,352.6% | Added |
| HSBC Holdings PLC | 301,777 | $4.92M | 0.00% | −3,408−1.1% | Reduced |
| Susquehanna International Group, LLP | 280,112 | $4.62M | 0.01% | +261,441+1,400.3% | Added |
| Principal Financial Group Inc | 263,679 | $4.35M | 0.00% | −1,752−0.7% | Reduced |
| Gendell Jeffrey L | 199,255 | $3.28M | 0.18% | +68,959+52.9% | Added |
| Jane Street Group, LLC | 199,059 | $3.28M | 0.00% | +13,790+7.4% | Added |
| Harbor Advisors LLC | 196,382 | $3.24M | 0.62% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 189,336 | $3.12M | 0.00% | −5,150−2.6% | Reduced |
| Renaissance Technologies LLC | 186,744 | $3.08M | 0.00% | +61,200+48.7% | Added |
| Public Sector Pension Investment Board | 165,792 | $2.73M | 0.02% | +37,797+29.5% | Added |
| Voya Investment Management LLC | 165,627 | $2.73M | 0.00% | −74,747−31.1% | Reduced |
| Russell Investments Group, Ltd. | 157,407 | $2.59M | 0.00% | +27,338+21.0% | Added |
| Empowered Funds, LLC | 141,627 | $2.33M | 0.06% | +13,377+10.4% | Added |
| Rhumbline Advisers | 135,245 | $2.23M | 0.00% | −10,210−7.0% | Reduced |
| GTS Securities LLC | 129,982 | $2.14M | 0.05% | +117,114+910.1% | Added |
| Wells Fargo & Company | 127,786 | $2.11M | 0.00% | −32,173−20.1% | Reduced |
| Caption Management, LLC | 125,210 | $2.06M | 0.22% | +117,310+1,484.9% | Added |
| Legal & General Group Plc | 124,907 | $2.06M | 0.00% | +5,103+4.3% | Added |
| First Trust Advisors LP | 124,197 | $2.05M | 0.00% | +2,659+2.2% | Added |
| Brandywine Global Investment Management, LLC | 122,146 | $2.01M | 0.02% | −12,762−9.5% | Reduced |
| Gator Capital Management, LLC | 121,435 | $2.00M | 1.11% | 00.0% | Unchanged |
| Bank of America Corp | 109,200 | $1.80M | 0.00% | +9,027+9.0% | Added |
| Credit Suisse AG | 104,142 | $1.72M | 0.00% | +2,598+2.6% | Added |
| Exchange Traded Concepts, LLC | 96,345 | $1.59M | 0.04% | +764+0.8% | Added |
| Barclays PLC | 96,322 | $1.59M | 0.00% | +42,242+78.1% | Added |
| Los Angeles Capital Management LLC | 95,259 | $1.57M | 0.01% | −68,932−42.0% | Reduced |
| Walleye Capital LLC | 93,614 | $1.54M | 0.02% | +93,614 | New |
| Assetmark, Inc | 91,123 | $1.50M | 0.01% | +45,630+100.3% | Added |
| Winton Group Ltd | 89,732 | $1.48M | 0.11% | +89,732 | New |
| Swiss National Bank | 89,200 | $1.47M | 0.00% | −9,400−9.5% | Reduced |
| Group One Trading, L.P. | 86,430 | $1.42M | 0.04% | +86,430 | New |
| Guggenheim Capital LLC | 80,137 | $1.32M | 0.01% | +80,137 | New |
| Millennium Management LLC | 76,458 | $1.26M | 0.00% | −15,669−17.0% | Reduced |
| Federated Hermes, Inc. | 76,134 | $1.25M | 0.00% | +69,963+1,133.7% | Added |
| Norges Bank | 75,000 | $1.24M | 0.00% | 00.0% | Unchanged |
| Caxton Associates LP | 66,203 | $1.09M | 0.06% | +38+0.1% | Added |
| Allianz Asset Management GmbH | 61,266 | $1.01M | 0.00% | −212,567−77.6% | Reduced |
| UBS Asset Management Americas Inc | 59,394 | $978.8K | 0.00% | 00.0% | Unchanged |
| LPL Financial LLC | 57,998 | $955.8K | 0.00% | −276−0.5% | Reduced |
| State of Tennessee, Treasury Department | 57,135 | $941.6K | 0.00% | +6,459+12.7% | Added |
| Royce & Associates LP | 57,074 | $940.6K | 0.01% | +8,496+17.5% | Added |
| Man Group plc | 52,817 | $870.4K | 0.00% | – | – |
| California State Teachers Retirement System | 47,629 | $784.9K | 0.00% | −2,184−4.4% | Reduced |
| New York State Teachers Retirement System | 44,830 | $739.0K | 0.00% | −3,104−6.5% | Reduced |
| State of Wisconsin Investment Board | 44,597 | $735.0K | 0.00% | −14,127−24.1% | Reduced |
| Wolverine Trading, LLC | 42,897 | $706.9K | 0.01% | +42,897 | New |
| Thrivent Financial for Lutherans | 40,272 | $664.0K | 0.00% | −1,172−2.8% | Reduced |
| Great West Life Assurance Co | 40,202 | $662.0K | 0.00% | −2,736−6.4% | Reduced |
| Alliancebernstein L.P. | 39,620 | $652.9K | 0.00% | −630−1.6% | Reduced |
| Texas Permanent School Fund | 38,784 | $639.2K | 0.01% | +633+1.7% | Added |
| JPMorgan Chase & Co | 37,942 | $625.3K | 0.00% | −27,535−42.1% | Reduced |
| Algert Global LLC | 36,950 | $608.9K | 0.02% | +36,950 | New |
| Price T Rowe Associates Inc | 36,544 | $603.0K | 0.00% | +849+2.4% | Added |
| Teacher Retirement System of Texas | 35,844 | $591.0K | 0.00% | −11,664−24.6% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 33,600 | $553.7K | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 33,415 | $550.7K | 0.00% | −31,942−48.9% | Reduced |
| ClearAlpha Technologies LP | 30,999 | $510.9K | 0.19% | +30,999 | New |
| ExodusPoint Capital Management, LP | 30,137 | $497.0K | 0.01% | −765−2.5% | Reduced |
| Yousif Capital Management, LLC | 29,420 | $484.8K | 0.01% | +6,896+30.6% | Added |
| UBS Group AG | 28,204 | $464.8K | 0.00% | +12,822+83.4% | Added |
| Citigroup Inc | 28,016 | $461.7K | 0.00% | +8,882+46.4% | Added |
| State of Alaska, Department of Revenue | 27,804 | $458.0K | 0.01% | −403−1.4% | Reduced |
| HighTower Advisors, LLC | 27,275 | $454.0K | 0.00% | −152−0.6% | Reduced |
| Franklin Resources Inc | 27,347 | $450.7K | 0.00% | −20,992−43.4% | Reduced |
| Illinois Municipal Retirement Fund | 26,645 | $439.0K | 0.01% | +905+3.5% | Added |
| Ensign Peak Advisors, Inc | 25,350 | $417.8K | 0.00% | 00.0% | Unchanged |
| MetLife Investment Management | 24,566 | $404.8K | 0.00% | 00.0% | Unchanged |
| Truist Financial Corp | 24,325 | $400.9K | 0.00% | −785−3.1% | Reduced |
| American International Group, Inc. | 24,127 | $397.6K | 0.00% | −210−0.9% | Reduced |
| PDT Partners, LLC | 23,169 | $381.8K | 0.04% | −16,445−41.5% | Reduced |
| SEI Investments Co | 22,835 | $376.3K | 0.00% | +6,439+39.3% | Added |
| Mraz, Amerine & Associates, Inc. | 22,600 | $372.4K | 0.08% | −4,250−15.8% | Reduced |
| Louisiana State Employees Retirement System | 22,600 | $372.4K | 0.01% | −500−2.2% | Reduced |
| Cresset Asset Management, LLC | 22,537 | $371.4K | 0.00% | −448−1.9% | Reduced |